Es

Einsteinium

Ingxenye 99 · 252.083 u

I-Actinide f-block Isikhathi 7 Iqinile ku-RT I-Radioactive t½ 471.7 days Isingeniso I-Wikipedia →

Einsteinium watholakale ezindaweni ezibomvu zokuhlolwa kwebhomu le-hydrogen yokuqala.

Izici Zobuchopho

I-Atom Mass252.083 u
Ubukhulu8.84 g/cm³
Izinga lokuncibilika1133.0 K
Izinga lokubopha1269.0 K
UkubonakalaIsibhakabhaka esimnyama (silindelekile)
Isimo ku-Room TempIqinile

Izici ze-chemical

Electronegativity1.3 (I-Pauling)
I-Ionization Energy619.0 kJ/mol
I-electron affinity-28.6 kJ/mol
I-Oxidation States+2, +3

Izici ze-Atom

I-electron[Rn] 5f11 7s2
I-Atom Radius203.0 pm
I-Van der Waals Radius245.0 pm

Ukuqapha

Itholakele nguAlbert Ghiorso and others
Unyaka wokuqamba1952
Indawoi-California
Ibizwa ngeIbizwa nge Albert Einstein

Malunga Einsteinium

Einsteinium yatholakala ekungeneni kwebhomu le-hydrogen lokuqala (Ivy Mike) ngo-1952 kodwa yagcinwa imfihlo kuze kube ngu-1955. Amanani amancane kuphela akhiqizwe.

Izisebenziso

Ucwaningo lwesayensi, kuqala ukukhiqiza izinto ezinzima njenge-mendelevium.

Iqiniso elijabulisayo

Einsteinium watholakale ngokufihlakeleyo e-hydrogen bomb debris ngo-1952 futhi wahlukaniswa iminyaka emithathu.

Isibonisi

Inani le-mass Ubukhulu Isikhathi esingu-half-life Iqinile
252 - 471.7 days Akukho
253 - 20.47 days Akukho
254 - 275.7 days Akukho

I-electron

[Rn] 5f11 7s2

Qhathanisa

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